METHODS: Cultured bovine RPE cells were erected, were divided into control group, hypoxanthine ( HX )/ xanthine oxidase ( XO ) Rg1 and Rg1 group ( HX/XO ), and Vitamin E group.

• 方法：建立牛RPE细胞氧化损伤的模型，并分为正常对照组（1mlDMEM培养液），次黄嘌呤（hypoxanthine，HX）/黄嘌呤氧化酶（xanthineoxidase，XO）损伤组（HX/XO组），Rb1组，Rg1组和维生素E组。